51025544 has 16 divisors (see below), whose sum is σ = 96076800. Its totient is φ = 25405072.

The previous prime is 51025537. The next prime is 51025567. The reversal of 51025544 is 44552015.

It is a super-2 number, since 2×51025544² = 5207212280991872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11432 + ... + 15255.

It is an arithmetic number, because the mean of its divisors is an integer number (6004800).

Almost surely, 2^51025544 is an apocalyptic number.

It is an amenable number.

51025544 is a deficient number, since it is larger than the sum of its proper divisors (45051256).

51025544 is a wasteful number, since it uses less digits than its factorization.

51025544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26932 (or 26928 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 51025544 is about 7143.2166423818. The cubic root of 51025544 is about 370.9048804032.

Adding to 51025544 its reverse (44552015), we get a palindrome (95577559).

The spelling of 51025544 in words is "fifty-one million, twenty-five thousand, five hundred forty-four".